Finding the Fourth Proportional to 758,372.79, 1,046,548.02 and 418,833.75
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Solution
The fourth proportional to 758,372.79, 1,046,548.02 and 418,833.75 is: 577,987.02
Step by Step Solution
- Step 1: Write the proportion equation
758,372.79 : 1,046,548.02 = 418,833.75 : x - Step 2: Convert to fraction form
758,372.79/1,046,548.02 = 418,833.75/x - Step 3: Cross multiply
758,372.79x = 1,046,548.02 × 418,833.75 - Step 4: Simplify right side
758,372.79x = 438,329,631,771.68 - Step 5: Solve for x
x = 438,329,631,771.68/758,372.79 - Step 6: Final answer
x = 577,987.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.